Oil-fired space heater



FIG. 1 is a left side elevational view of an oil-fired space heatershowing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for an oil-fired space heater, substantially asshown and described.